:: question

syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM), expecting identifier (T_STRING)

s. y.30h.c. t .m.g.w. 2019-04-16 15:04:47 0  0  883

Thinkphp 5.1 error after installation

报错的内容如下：Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in E:\myphp\PHPTutorial\WWW\web\thi

嘿嘿 2018-06-12 18:08:51 0  3  1695

Access error

Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in C:\PHPStudy\WWW\tp5\thinkphp\base.php&nb

hello sun 2018-05-06 15:19:28 0  0  1105

Regarding the problem of custom methods in mysqli, please solve it?

When using $mysqli in a custom function, an error is reported. The red line at the bottom of $mysqli indicates that although $mysqli reports a syntax error and is marked with a red line, the data is still queried, but the loading is super slow and takes dozens of seconds. Obviously not Normally this...

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What do "symbol not found" or "unable to resolve symbol" errors mean?

Please explain the following about "symbol not found", "cannot resolve symbol" or "symbol not found" errors (in Java): What do they mean? What factors can cause these problems? How do programmers fix these problems? This question aims to provide a comprehensive Q&A ...

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How to handle slots in Vue3 and Storybook 7

I'm trying to pass one component (UIButton) as a slot in another component (UICard) in the ButtonAsSlot story. In the ButtonAsSlot story, I pass default:'', as args.default, so it will be passed in the slot. It would be great if I could pass an existing story (e.g. default: ''). However, this doesn'...

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How to dynamically add properties based on conditions in React components?

Is there a way to add a property to a React component only if a specific condition is met? I need to add required and readOnly attributes to a form element based on a condition in a post-render Ajax call, but I don't know how to fix this since readOnly="false" is not the same as omitting t...

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Solution to the problem of page title and page anchor overlapping

If I have a non-scrolling header in an HTML page that is fixed at the top, with a defined height: Is there a way to use URL anchors (#fragment parts) to make the browser scroll to a specific position in the page but still Respect fixed element height without help from JavaScript? http://example.com/...

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React Native useAnimatedGestureHandler is not called only in onStart on web

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Edited title: Difficulties in rendering 2D images on 3D surfaces

I'm working on a code tutorial from youtube but I'm running into a problem where I have 13 icosahedral geometry spheres successfully rendered to my screen. However, the video makes the 2D image I display on the ball invisible. There are no errors in my console. This project is Three.js and tailwindc...

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Dump and Die function in Laravel in Chrome returns Unable to load response data error: No resource found with given identifier

{dd($request->all());die;} Why doesn't dd return a result and only shows that the response data cannot be loaded in the chrome browser: No resource with the given identifier?

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Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  854

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  741

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

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PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

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Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1020

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

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Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

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